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Extension builders near me: Find and book local home extension builders

Whether you're adding a new room or building a full extension, hiring an extension builder ensures professional construction and adherence to regulations. MyBuilder connects you with verified building professionals who specialise in home extensions, conversions and renovations. Read reviews, post your job for free and get matched with local extension builders near you!

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Browse profiles, work history, and feedback, then choose who you wish to share your details with.

Some of our top rated extension builders

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  • ✅ Gas Safe Registered Engineer ✅ Boiler Installation, Servicing & Repairs ✅ Central Heating Installation & Repairs ✅ Full Bathroom Design & Installation ✅ Kitchen Supply & Installation ✅ Home Extensions ✅ Loft Conversions ✅ Carpentry & Joinery ✅ Full Property Renovations ✅ Interior & Exterior Painting & Decorating ✅ Electrical Rewiring & Installations (carried out by qualified electricians) ✅ Garden Landscaping & Fencing ✅ General Building & Maintenance ✅ Plastering, Tiling & Flooring

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  • As a fully qualified bricklayer I spent the early years of my career building houses for other people, developing and honing my skills, always taking great pride in the quality of my work. I've since taken this ethos into my own company and now provide all types of building work from new paths to complete new builds! We will also help you with your design if you need it. As members of the Federation of Master Builders who wear the Trust Mark logo you know our work is of the highest standard!

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  • All aspects of building works undertaken. From extensions to lofts. Conversions & new builds. I've been working in residential development and construction for 20 years and can manage the entire process to take away the clients stress. Quality work ensures repeat business & happy clients. Feel free to reach out to discuss your project needs.

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  • Independent bathroom and kitchen specialist providing quality installations, renovations, and repairs. Honest pricing, skilled workmanship, and a personal service you can trust.

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  • We are an established business in the construction industry and have over 10 years experience. We see no job as too big or too small so it’s always worth getting in touch. We specialise in flat roof installation, extension, roofing and loft conversions. But have many other skills we can do.

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  • J p Goodger building With over 20 years of hands-on experience, we deliver brickwork that’s as solid as our reputation. Fully insured and locally trusted, we take pride in precision, reliability, and excellent attention to detail on every project — big or small. ✅ New builds & extensions ✅ Walls, fences & retaining walls ✅ Repairs & repointing ✅ Residential & commercial work 📍 Serving Kent and surrounds 🧱 Experience you can see — craftsmanship you can count on

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  • Experienced regional painter with over 5 years in residential and commercial projects. Skilled in interior and exterior painting, surface preparation, wallpapering, and color matching. Reliable, detail-oriented, and committed to delivering high-quality finishes on time and within budget.

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  • At Grndup group, we specialise in high-quality Groundworks, demolition , building and landscaping solutions tailored to each client’s vision. What started as a long-term ambition has grown into a trusted business built on hard work, attention to detail, and pride in every project we deliver. We cover all aspects of groundworks, building, demolition, landscaping and outdoor construction, including patios, foundations, drainage, extension, fencing, and full garden transformations. Whether it’s a small upgrade or a full-scale project, we approach every job with the same level of care and professionalism. Our focus is simple — deliver reliable workmanship, clear communication, and results that last. We work closely with our clients from start to finish to ensure every space is not only functional but something they can genuinely enjoy. At Grndup group , we don’t just build — we create spaces that are built to stand the test of time.

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  • UC-Homes Ltd is a professional construction and refurbishment company specialising in loft conversions, extensions, renovations, new builds, and full property refurbishments across London and surrounding areas. We pride ourselves on delivering high-quality workmanship, reliable project management, and transparent communication from start to finish. Our team works closely with homeowners, landlords, and investors to create modern, functional, and high-standard living spaces tailored to each client’s needs. Whether it’s a small refurbishment or a large-scale construction project, UC-Homes Ltd is committed to completing every project efficiently, professionally, and to the highest standard.

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  • BLRL Contractors (trading as BCPM Utilities Ltd) is an established Lincolnshire-based contractor specialising in utilities, construction, civils and landscaping. Founded in 2012, we are fully Achilles and Constructionline accredited and carry £10M public liability insurance.We handle groundworks, drainage, ducting, reinstatement, fencing, landscaping, driveways and small construction projects. All work is completed to the correct standards and in line with local council specifications.We are known for reliability, clear communication and tidy workmanship. Whether it’s a small repair or a full project, we deliver practical solutions and long-lasting results.

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  • We're a London-based property services team that's been working on homes across the capital and the wider UK since 2014. Over those years we've handled everything from a one-off repair after a leak through to full-house renovations that took a tired property and turned it into somewhere our clients genuinely loved coming home to. Whatever stage your project is at, we can guide you through it. What we do Refurbishments and renovations. Whether it's a single room, a whole floor, or the entire house, we plan, manage and deliver the work end-to-end. We handle the design coordination, the trades, the materials, the schedule, and the small details that make the difference between a finish that's "fine" and one that's genuinely beautiful. Kitchens and bathrooms. Two of the rooms that add the most value to a home and two of the easiest to get wrong. We've installed everything from budget-friendly refreshes to high-end bespoke fits, and we'll talk you through what's worth spending on and what isn't. Painting and decorating. A proper job, done with the right prep, the right materials and a team who genuinely takes pride in the finish. Interior and exterior, single rooms or whole homes. General building works. Knocking through walls, ope

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  • Hi, I’m Attiq, a professional builder specialising in house extensions, renovations, and property improvements. I take pride in delivering quality workmanship, honest advice, and excellent customer service. Whether it’s a small alteration or a full extension project, I work closely with clients to ensure every job is completed to a high standard, on time, and within budget. My goal is to make the building process as smooth and stress-free as possible while achieving the best results for your home.

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  • We here at Ridern are passionate building professionals specialising in premium bathroom transformations to full extensions & loft conversions. Focused on quality, precision and delivering a high-end finish built to last. Instagram @ridernhomes

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  • Green Peaks is a tight-knit construction company built on friendship, experience, and a shared passion for quality craftsmanship. Founded by two close friends who have known each other since a young age, we bring together over 50 years of combined experience in the construction industry. Our shared drive, both in and out of business, shapes the care and dedication we bring to every project. We undertake all types of building work and pride ourselves on offering a personal service from start to finish. From initial design ideas through to the final details, we work closely with our clients to deliver builds that are both practical and beautiful. We specialise in: -Traditional Roof Builds & Dormers -All types of Flat Roofs -Sedum Green Roof Specialists -Slating/Tiling/Veluxes -Barn Conversions/Conservation Work -Renovations/Extensions/Loft Conversions -Fascias/Soffits/Guttering -Landscaping/Summerhouses

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  • Hi, I’m Ciaran, a carpenter with over 20 years’ experience in the trade, covering both first and second fix carpentry. I take a lot of pride in my work and always aim to deliver a high standard of workmanship. I pride myself in being reliable, hardworking and always pay close attention to detail. I believe in doing a job properly rather than cutting corners. I take on all types of carpentry projects, from smaller jobs and repairs through to larger projects and bespoke work. No job is too big or too small, and I’m always happy to discuss your requirements and find the best solution. If you’re looking for a reliable, experienced carpenter who takes pride in what he does, I’d be happy to hear from you and discuss your project.

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  • Capital Craft Construction Ltd is a South East London-based building company specialising in extensions, loft conversions, renovations and structural alterations. We provide a complete service from the initial discussion through to completion, with a strong focus on quality workmanship, clear communication and a well-managed project. Our work includes rear and side-return extensions, loft and garage conversions, full property renovations, structural alterations, kitchens and bathrooms, roofing, brickwork, damp proofing, waterproofing and general building works. We understand that having building work carried out in your home is a significant investment. That’s why we believe in being straightforward with our clients, providing clear quotations, keeping you informed throughout the project and treating your property with respect. Based in South East London and covering surrounding areas across London and Kent. Capital Craft Construction Ltd — Your home. Expertly crafted.

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4.4

Top rated Extension Builders

Our Extension Builders, are rated 4.4 out of 5 based on 290 reviews from customers like you.

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Easily find verified local tradespeople. Just post your job to get quotes from tradespeople near you across the UK.

Find local extension builders near you for construction and renovations

Home extension builders provide a range of professional services to help you add more space, improve functionality, and upgrade the value of your home.

Whether it’s building new extensions, renovations or loft conversions, these are significant projects.. That’s why finding the right extension builder near you is key.

MyBuilder makes searching for extension builders near you easy. Just post your job for free, review profiles of interested house extension builders and compare quotes and customer feedback. It’s quick, straightforward and puts you in control.

Don’t put off your extension project any longer! Find interested and available house extension builders on MyBuilder today.

What services do local extension builders near me offer?

Extension builders help create more space and enhance the functionality of your home. From new builds to conversions and refurbishments, the right professional ensures that your project meets building regulations and is completed to a high standard.

On top of that, extension builders can also assist with structural work, planning and project management to ensure a smooth, hassle-free build. Whether you’re looking to extend your living room or add a second storey, extension builders on MyBuilder have the know-how to get the job done.

  • New builds and extensions: Constructing new rooms, conservatories or expanding existing spaces.
  • Loft and attic conversions: Transforming unused lofts into functional rooms like bedrooms or offices.
  • Home renovations and refurbishments: Upgrading your home, including kitchen, bathroom and living space remodelling.
  • Structural work: Foundations, roofing and major structural changes to your home.

MyBuilder makes it easy to find verified extension builders across the country, connecting you with local professionals who specialise in home extensions and structural improvements.

Simply post your project on our site for free, and local extension builders near you will register their interest. You can then discuss your plans, request quotes, and review profiles to find the right builder for your home and budget.

What jobs can extension builders near me help with?

Extension builders specialise in the construction, design and completion of home extensions and large building projects. Their services cover a wide range of tasks, from adding extra rooms to structural renovations.

Here are some of the key jobs an extension builder can assist with:

It’s easy to find the right home extension builder near you on MyBuilder. Simply post your job for free, read real reviews and connect with local extension builders, without the need to conduct the search yourself.

Find an extension builder near you with MyBuilder (in 5 simple steps)

If you’re wondering, “How do I find an extension builder near me?” MyBuilder makes the process simple.

Step 1: Post your extension job on MyBuilder

Use MyBuilder’s straightforward form to post your job in detail. Include information about your plans, materials, finishes, and photos or drawings if available. The more detail you provide, the easier it is for local extension builders to understand your vision.

Step 2: Browse local extension builders in your area

Once your job is live, you can browse through profiles of local extension builders near you who are available to take on your project. Review their experience, previous projects, and customer feedback, all before deciding who to hire.

Step 3: Discuss your project with local builders

Select the extension builders who are most aligned with your project and contact them on the platform to discuss your job and ask questions. This is the perfect time to talk through your requirements, timeline, budget, and any planning or structural considerations.

Step 4: Hire the extension builder that best fits your needs

When you’ve received quotes and details from multiple extension builders in your area, review them carefully and choose the one that best suits your needs.

Make sure all costs, materials, and timeframes are agreed upon in writing before work begins. Having a written contract in place helps avoid any confusion or misunderstandings during the project.

Step 5: Your builder completes the extension

Once you’ve appointed your builder, they’ll arrange a schedule and get started. When the project is complete, you can leave a review of your experience to help future homeowners make informed choices.

How much does an extension builder cost?

Extension builders generally charge between £200 and £300 per day for larger projects such as house extensions or full property renovations. For bespoke designs or complex structural work, prices are usually agreed in advance based on project scope, materials, and labour requirements.

Typical costs for popular extension projects:

Note: If you are unsure about how much your extension building job will cost, you can easily talk to local professionals on MyBuilder.

All you need to do is post your job with the questions you want answered, and extension builders near you will be in touch.

What qualifications should extension builders hold?

When hiring an extension builder, it’s a good idea to check that they have the right training, certifications, and insurance to complete your project safely and to a professional standard.

Look for memberships with recognised trade bodies such as the Federation of Master Builders (FMB), and confirm that the builder offers a written guarantee on their work. Always ask for proof of public liability insurance to protect against any accidental damage during construction.

Key qualifications and checks for extension builders:

  • CSCS Card – Confirms the builder has the skills and training to work safely on construction sites.
  • NVQ (Construction or related trade) – Shows competency and hands-on experience in their specific trade.
  • SMSTS Certification – For builders managing projects, this ensures proper safety and site supervision training.
  • Gas Safe Registration – Required if the builder will work with gas systems or appliances.
  • NICEIC Certification – Verifies that electrical work meets safety standards.
  • FMB Membership – Demonstrates credibility, professionalism, and a commitment to best practices.
  • CPCS Card – Confirms that they’re qualified to operate construction machinery if needed.

All tradespeople on MyBuilder undergo checks at registration, such as ID documents, company details, certifications for regulated jobs and skill assessments.

Posting your job on MyBuilder is simple and free. Just type in what you need, and our clever match-making process will help you find the right extension builder for your job.

Finding extension builders near you is easy with MyBuilder

Finding an extension builder near you isn’t always easy, especially when you want someone available to take on your project.

Follow these simple steps to connect with local extension builders through MyBuilder:

  • Post your extension job online for free and reach local extension builders without any upfront costs.
  • Receive interest directly from available professionals, no chasing or cold calls needed.
  • Every builder on MyBuilder is ID-checked and skills-assessed before joining, so you can hire with confidence.
  • Review each builder’s profiles, customer feedback, and past project photos to compare.
  • Book the right extension builder for your job with confidence. It only takes a few clicks.

Choose who you’d like to speak with, discuss your project in detail, and hire the best builder for your needs. Post your job for free today and see why homeowners across the UK trust MyBuilder to find local extension builders.

FAQ: Your questions about extension builders answered

Do extension builders near me need insurance?

While it isn’t a legal requirement, most builders carry public liability insurance to cover accidental damage or injury during work. Always ask to see proof of insurance before agreeing to a project.

Do local extension builders offer guarantees on their work?

Yes, many local home extension builders in your area should provide a guarantee covering their workmanship for a set period, often lasting several months to a few years depending on the project size. Always check what the guarantee covers before work begins.

What should I ask before hiring an extension builder?

Ask about previous work, project timelines, cost estimates, and payment terms. It’s also wise to discuss materials, planning permissions, and how any unforeseen issues will be handled. You can easily view examples of previous projects of extension builders near you on MyBuilder.

How much deposit should I pay for an extension project?

Deposits usually range from 10% to 20% of the total cost. Make sure the payment schedule, scope of work, and conditions are clearly written into a contract before the extension project starts.

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